Merge "Add missing ThreadDefs.h header" am: 2362edf7a6

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2017407

Change-Id: I9913505b160be4c0bb8ae2bf1a3886c7ebde8d2e
diff --git a/libs/vr/libvrflinger/vr_flinger.cpp b/libs/vr/libvrflinger/vr_flinger.cpp
index a8a8476..de7d8f8 100644
--- a/libs/vr/libvrflinger/vr_flinger.cpp
+++ b/libs/vr/libvrflinger/vr_flinger.cpp
@@ -17,6 +17,7 @@
 #include <processgroup/sched_policy.h>
 #include <sys/prctl.h>
 #include <sys/resource.h>
+#include <utils/ThreadDefs.h>
 
 #include <functional>